[cfe-dev] clang O3/O2 error for Linpack with NEON instructions

Renato Golin via cfe-dev cfe-dev at lists.llvm.org
Tue Mar 8 02:39:23 PST 2016

On 8 March 2016 at 14:44, Junaid Shuja via cfe-dev
<cfe-dev at lists.llvm.org> wrote:
> In file included from /usr/include/math.h:426:
> /usr/include/bits/mathinline.h:756:25: error: invalid output constraint '=&q' in
>       asm
>                     : "=t" (__value), "=&q" (__ignore), "=m" (__cwtmp),       \

Hi Junaid,

Seems like just a matter of adding the 'q' constraint. Can you create
a bug on LLVM's bugzilla, attach the source and a way to reproduce,


Please copy me on the bug.


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